Cicero, Marcus Tullius. <br/><br/>
De re publica. De legibus / 
with an English translation by Clinton Walker Keyes. 
 - Cambridge, MA : London :  Cambridge, MA : London :  Harvard Univ. Press ; Wm. Heinemann,  Harvard Univ. Press ; Wm. Heinemann,  1970. 
 - Loeb classical library [Latin authors] .
<br/><br/> Latin and English on opposite pages.  First published in 1928.